protected static HashMap<String, String> readTwoColumnTable(String resourceName) {
final InputStream stream = SeadasProductReader.class.getResourceAsStream(resourceName);
if (stream != null) {
try {
HashMap<String, String> validExpressionMap = new HashMap<String, String>(32);
final CsvReader csvReader = new CsvReader(new InputStreamReader(stream), new char[] {';'});
final List<String[]> table = csvReader.readStringRecords();
for (String[] strings : table) {
if (strings.length == 2) {
validExpressionMap.put(strings[0], strings[1]);
}
}
return validExpressionMap;
} catch (IOException e) {
// ?
} finally {
try {
stream.close();
} catch (IOException e) {
// ok
}
}
}
return new HashMap<String, String>(0);
}
static FeatureCollection<SimpleFeatureType, SimpleFeature> readTrack(
Reader reader, GeoCoding geoCoding) throws IOException {
CsvReader csvReader = new CsvReader(reader, new char[] {'\t', ' '}, true, "#");
SimpleFeatureType trackFeatureType = createTrackFeatureType(geoCoding);
FeatureCollection<SimpleFeatureType, SimpleFeature> featureCollection =
new ListFeatureCollection(trackFeatureType);
double[] record;
int pointIndex = 0;
while ((record = csvReader.readDoubleRecord()) != null) {
if (record.length < 3) {
throw new IOException(
"Illegal track file format.\n"
+ "Expecting tab-separated lines containing 3 values: lat, lon, data.");
}
float lat = (float) record[0];
float lon = (float) record[1];
double data = record[2];
final SimpleFeature feature =
createFeature(trackFeatureType, geoCoding, pointIndex, lat, lon, data);
if (feature != null) {
featureCollection.add(feature);
}
pointIndex++;
}
if (featureCollection.isEmpty()) {
throw new IOException(
"No track point found or all of them are located outside the scene boundaries.");
}
return featureCollection;
}